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Finding the Fourth Proportional to 52,656.54, 72,662.58 and 29,992.20

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Solution

The fourth proportional to 52,656.54, 72,662.58 and 29,992.20 is: 41,387.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,656.54 : 72,662.58 = 29,992.20 : x
  2. Step 2: Convert to fraction form
    52,656.54/72,662.58 = 29,992.20/x
  3. Step 3: Cross multiply
    52,656.54x = 72,662.58 × 29,992.20
  4. Step 4: Simplify right side
    52,656.54x = 2,179,310,631.88
  5. Step 5: Solve for x
    x = 2,179,310,631.88/52,656.54
  6. Step 6: Final answer
    x = 41,387.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.